it was a crucial win for the niners. police took extra precautions for the big game. >> reporter: before kick off there was foot work in the dirt lot across from candle stick from fans. >> one, two, three. whoa welcome pack -r -r -r -- who were partying before 11:00 a.m. which was a very big game. >> today we're going to set the record straight. >> we just want to get into the play offs right. >> reporter: between the fans there was talk of a fairly new rivalry. >> i don't want to talk battle seattle but it used to be a time. those tickets were cheap. >> we're finally coming into our own. they don't like that too much i don't think around here. >> reporter: the fans we talked to on both sides said that rivalry. >> these are my friends. >> reporter: is good natured. still san francisco police stepped up their presence at the game today just in case with an unknown numbers of officers dressed as fans mixed into the crowds. >> great fans, great fan base. but they still haven't won anything yet. >> reporter: the 49ers hav